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1. Can an organism belong to several organizational levels of life at the same time?
1) yes, e.g. a bacteria
2) no
3) yes, e.g. a kidney
4) yes, e.g. a virus
2. What element can be found in the insulin hormone?
1) Brom
2) Potassium
3) Sulphur
4) Calcium
3. What microelements can be found in vitamins of the B group?
1) cobalt, brom
2) cobalt, burr
3) sulphur, burr
4) zinc, brom
4. What water property(ies) result(s) in its thermoregulation property?
1) high heat capacity, thermal conductivity, vapourization heat
2) high heat capacity, vapourization heat
3) high heat capacity
4) high thermal conductivity
5. How many monosaccharides make up 10 polysaccharides?
1) undetectable
2) 10
3) 20
4) 30
6. What type of lipids has several rings?
1) circular
2) waxes
3) anululipids
4) steroids
7. Which structure goes second?
1) second
2) twice
3) secondary
4) two
8. As a result of creation of which bonds does tertiary structure appear?
1) hydrogen, ionic
2) ionic, disulfide
3) hydrogen, disulfide
4) hydrogen, ionic, disulfide
9. If one DNA chain has 5 adenine nucleotides, how many uracil nucleotides are there on the complementary DNA chain?
1) 5
2) 10
3) 20
4) this situation is impossible
10. To which type of carbohydrates does deoxyribose belong, if ribose is a monosaccharide?
1) it is not a carbohydrate
2) polysaccharide
3) disaccharide
4) monosaccharide